Extract.
Transform.
Load.
This can be a complex concept. Here’s an easy way to understand it:
McDonalds. Yes. McDonalds.
You order from the drive-through and receive your order (Extract)
Add ranch. People like ranch.
Add Barbeque Sauce to your Fries.
And Take off the Onions. Eww. (Transform)
Eat. (Load)
Garbage In. Garbage Out.
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